Yes if you PAID them in 2018 you can enter them on your 2018 return. Remember that they are subject to the SALT limit of $10,000 for any state and local taxes paid in 2018 -- that includes property taxes and sales tax, local taxes. etc.
https://ttlc.intuit.com/questions/4482394-how-will-tax-reform-affect-my-2018-federal-tax-return
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